Reconfigurable analog-to-digital converter
First Claim
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1. An ADC circuit, comprising:
- a plurality of blocks that can be configured to provide a selected one of plurality of analog-to-digital architectures, wherein the plurality of analog-to-digital architectures includes at least two architectures selected from a group consisting of pipeline, sigma-delta, and cyclic.
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Abstract
A reconfigurable ADC includes a plurality of reconfigurable blocks for allowing the ADC to provide a plurality of architectures. In one embodiment, the ADC can be configured to operate in a pipeline mode and a sigma-delta mode. This arrangement provides an ADC having a relatively large range of bandwidth and resolution.
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Citations
31 Claims
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1. An ADC circuit, comprising:
a plurality of blocks that can be configured to provide a selected one of plurality of analog-to-digital architectures, wherein the plurality of analog-to-digital architectures includes at least two architectures selected from a group consisting of pipeline, sigma-delta, and cyclic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A reconfigurable ADC circuit, comprising:
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a plurality of cascaded reconfigurable circuit blocks, each of the plurality of reconfigurable circuit blocks including a capacitor array, at least one switch matrix, and an opamp, wherein the reconfigurable blocks can be configured to provide a selected one of a plurality of ADC architectures. - View Dependent Claims (22, 23, 24, 25)
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26. A method of converting an analog signal to a digital signal, comprising:
configuring a plurality of blocks to a selected one of at least two architectures selected from a group consisting of pipeline, sigma-delta, and cyclic. - View Dependent Claims (27, 28, 29, 30, 31)
Specification